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Finding the Fourth Proportional to 631,243.32, 871,120.62 and 344,758.20

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Solution

The fourth proportional to 631,243.32, 871,120.62 and 344,758.20 is: 475,768.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,243.32 : 871,120.62 = 344,758.20 : x
  2. Step 2: Convert to fraction form
    631,243.32/871,120.62 = 344,758.20/x
  3. Step 3: Cross multiply
    631,243.32x = 871,120.62 × 344,758.20
  4. Step 4: Simplify right side
    631,243.32x = 300,325,976,934.08
  5. Step 5: Solve for x
    x = 300,325,976,934.08/631,243.32
  6. Step 6: Final answer
    x = 475,768.96

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